我想做Maybe Substitution -> Maybe Substitution -> Maybe Substitution where type Substitution = [(Variable2LammensMichelInterpreteurProlog/Setup.hs:65:58: with actual type ‘Maybe Substitution<
substitution-bash: ${env.envName}: bad substitution-bash: ${env.shortdomain}: bad substitution
-bash: ${env.url}: bad substitution-bash: ${env.appid}: bad substitut
regex.stringByReplacingMatchesInString(str, options: .WithTransparentBounds, range: NSMakeRange(0, str.characters.count), withTemplate: substitution) // EDIT: substitution is the var that contains the template string}
struct SearchOptions